Boeing 777-200 accident near London, Uk, November 5, 1999
On November 5, 1999 at about 1:08 pm local time, a Boeing 777-200, registered N784UA, was substantially damaged in an accident near London. It was a flight of an unrecorded kind under scheduled airline rules (Part 121). No one was hurt; 274 people were on board or involved. The weather was conditions the NTSB did not record.
The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- November 5, 1999 · about 1:08 pm local time
- Place
- London, United Kingdom
- Type
- Accident
- Injuries
- No one was hurt; 274 people were on board or involved.
- Weather
- conditions the NTSB did not record
- Aircraft
- Boeing 777-200 · all 777-200s on the register
- Registration
- N784UA · registry record
- Damage
- Substantial damage
- Flight
- Flight of an unrecorded kind · scheduled airline rules (Part 121)
The factual record from the NTSB's investigation tables, in plain English
The aircraft
- Last inspection: inspection type not recorded
- Landing gear: fixed
- Not recorded
- Operator: United Air Lines INC
The flight
- Departed from: OF
- Destination: KSFO San Francisco CA
- Flight plan: IFR
- Runway 0
- A second pilot was aboard
Weather at the time
- Light: not reported
- Sky: not recorded; not recorded
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 18 | |||
| Passengers | 256 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
Other NTSB records under N784UA the same tail number, which may have belonged to a different aircraft at the time
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.